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Platform Portability
Uses Substack subdomain (billfrist.substack.com). Migrating would require subscribers to re-subscribe at a new address.
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All about nature, the changing climate, biodiversity, and unstable weather patterns through the lens of human health.
Data updated 1 month ago
Track CPM rates as they change
Start tracking — freeWe don't have enough growth data for A Second Opinion yet. The average Climate newsletter has 1K subscribers.
Based on 170 Climate newsletters tracked
Avg Comments
1.0
Avg Likes
20.3
Engagement Rate
0.08%· ~21 likes + comments/post
(comments + likes) / subscribers
Quality Score
Engagement vs Climate
0.08% engagement rate
Score Breakdown
Engagement Score
vs 22 newsletters in Climate
28K places you in the top 10% of newsletters in this category.
Engagement Rate
0.08%
median: 0.00%
Posts per Week
0.9
median: 1.0
Publishing Consistency
73/100
median: 65/100
Subscribers
28K
median: 1K
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Publishing Frequency
Weekly
Last published Apr 13, 2026
0.9 posts/week avg
Climate Pricing
$6/mo median
Your newsletter: Free
Monetization Readiness
Climate newsletters typically start charging at ~2K subscribers
Above the typical threshold
100% of similar-size Climate newsletters have paid tiers
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28.0K subscribers and 0.08% engagement — past the threshold where Climate newsletters typically attract sponsors.